Spray gun



FIG. 1 is a perspective view of the spray gun.

FIG. 2 is a left side view of the spray gun.

FIG. 3 is a right side view of the spray gun.

FIG. 4 is a front view of the spray gun.

FIG. 5 is a back view of the spray gun.

FIG. 6 is a top view of the spray gun; and,

FIG. 7 is a bottom view of the spray gun.

The details shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a spray gun, as shown and described. 